Can preserved eggs and potatoes be eaten together?
Under normal circumstances, preserved eggs (pidan) and potatoes can be eaten together. Details are as follows:

Pidan is a type of egg-based food product that has undergone special processing and contains abundant nutrients such as protein, fat, minerals, and vitamins. Potatoes are common tuber vegetables rich in carbohydrates, dietary fiber, vitamins, and various minerals. From a nutritional standpoint, there is no obvious conflict or counteraction between pidan and potatoes. Therefore, under normal circumstances, they can be consumed together, providing various nutrients that help maintain good health.
However, certain specific populations, such as individuals with hyperuricemia, gout, or digestive system diseases, should avoid consuming large quantities of pidan and potatoes simultaneously. The high purine content in pidan may trigger or worsen gout symptoms; the oxalic acid and resistant starch in potatoes may cause discomfort in some individuals with digestive system disorders. Some people may be allergic to pidan or potatoes, and in such cases, they should avoid consuming them together.
In daily life, before trying new food combinations, it is advisable to assess whether they are suitable for your personal constitution and health condition to prevent adverse reactions.